On 08/06/2012 01:58 PM, Michal Nazarewicz wrote:
>
> Tomasz Stanislawski writes:
>> I recommend to change the semantics for unlimited number of segments
>> from 'value 0' to:
>>
>> #define DMA_SEGMENTS_COUNT_UNLIMITED ((unsigned long)INT_MAX)
Sorry. It should be:
#define DMA_SEGMENTS_COUNT_UNLIM
Tomasz Stanislawski writes:
> I recommend to change the semantics for unlimited number of segments
> from 'value 0' to:
>
> #define DMA_SEGMENTS_COUNT_UNLIMITED ((unsigned long)INT_MAX)
>
> Using INT_MAX will allow using safe conversions between signed and
> unsigned integers.
LONG_MAX seems cle
Hi Rob,
On 07/19/2012 06:23 PM, Rob Clark wrote:
> From: Rob Clark
>
> Add some helpers to iterate through all attachers and get the most
> restrictive segment size/count/boundary.
>
> Signed-off-by: Rob Clark
> ---
> drivers/base/dma-buf.c | 63
> +
On Fri, Jul 20, 2012 at 10:09 PM, Rob Clark wrote:
> Fyi, Daniel Vetter had suggested on IRC that it would be cleaner to
> have a single helper fxn that most-restrictive union of all attached
> device's dma_parms. Really this should include dma_mask and
> coherent_dma_mask, I think. But that tou
Fyi, Daniel Vetter had suggested on IRC that it would be cleaner to
have a single helper fxn that most-restrictive union of all attached
device's dma_parms. Really this should include dma_mask and
coherent_dma_mask, I think. But that touches a lot of other places in
the code. If no one objects t
From: Rob Clark
Add some helpers to iterate through all attachers and get the most
restrictive segment size/count/boundary.
Signed-off-by: Rob Clark
---
drivers/base/dma-buf.c | 63 +++
include/linux/dma-buf.h | 19 ++
2 files change
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